Improvement in blind-staples



.ticle of manufacture known as blind-staples; that is to lI will fully describe the same, as illustrated in the aceww-essere J. B. SARGENT, or NEW Letters Patent No. 84,5285,

HAVEN', CONNECTICUT.

dated December 1, 18.68.

IMPROVEMENT IN BLIND-STAPLES.

The Schedule referred to in these letters Patent an. making part of the same.

To all 'whom zt 'may concern.-

Be it known that I, J. B. SARGENT, of New Haven in the county of New Haven, and State of Connecticut, have invented a new Improvement in Blind-Staples; and I do hereby declare the following, when taken in connection with the accompanying drawings, and the letters of reference marked thereon, to he a full,'clear and exact description of the same, and which said drawings constitute part of this specication, and represent, in

Figure l, a top view,

Figure 2, an edge View, and in Figure 3, a different modification of thezsame, parts all enlarged.'

This invention relates to an improvement inthe arsay, the staples which are used to connect revolving blind-slats with the rod,` so that a number of slats may be revolved at the same time, and are held in their proper relative position to each other, the object being to construct a staple so that it cannot easily be wit-hdrawn from the wood.

In order to the clear understanding of my invention,

companying drawings.

I form the staple from wire, of the usual size, and of the common U-shape form. The two ends I point by pressing and clipping, as seen at a, figs. 1 and 2. Se far back ofthe point as to where the rwire is of its full size, I spread each of the legs, as at rlrby an indentation upon opposite sides, as seen at g. 2; then back of this indentation d, I form a succession of corrugations or indentations, commencing at a point back of `the indentation 1, where the wire is of the full size, as

at f, and make them deeper as they advance from the point, as in fig. 2, so that the staple is spread from the point f to the p oint g, the .corrugations and spread portions serving to hold in the. w'ood, so as to prevent the withdrawal of the staple.

I represent, in fig. 3,' a side view, without the first indentation d, simply the corrugations from f to g, which accomplishes nearly the same object as the rst, the corrugations being commenced at a distance from the point where the wire of the staple is of its full size, and increasing in depthto the point g, as before described, and as clearly seen in fig. 3.

I do not wish tombe understood as claiming as my invention, ccrrngating the legs of a staple, as such, I am aware, is not new, as maybe seen in the patents of B. Boardman, March 30, 1858, M. A. Harvey, April 2, 1867, and others.

Having thus fully described my invention,

Vhat I claim as new and useful, and desire tosecure by Letters Patent, is-

As an improved article of manufacture, the hereindescribed staple, constructed .with the corrugations extending from or near the base of the point j', and in' creasing in depth, and s o as to spread the met-al from the point, and with or without the indentation (I, as set forth and described.

J. B. SARGENT. Witnesses:

J. H. SHUMWAY, A. J. TIBBITS. 

